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Using PWM (pulse-width modulation, a technology where the intensity of the LEDs are kept constant, but the brightness adjustment is achieved by varying a time interval of flashing these constant light intensity light sources [26]), the backlight is dimmed to the brightest color that appears on the screen while simultaneously boosting the LCD ...
ThinkPad is a line of business-oriented laptop and tablet computers produced since 1992. The early models were designed, created and manufactured by International Business Machines (IBM) until it sold its PC business to Lenovo in 2005; since 2007, all new ThinkPad models have been branded Lenovo instead [5] and the Chinese manufacturer has continued to develop and sell ThinkPads to the present ...
The ambient light sensor of a Google Pixel 4a smartphone under a microscope. An ambient light sensor is a component in smartphones, notebooks, other mobile devices, automotive displays and LCD TVs.
Make web pages easy to read for you! With simple keyboard shortcuts, you can zoom in or out to make text larger or smaller. In an instant, these commands improve the readability of the content you're viewing.
Brightness is an attribute of visual perception in which a source appears to be radiating or reflecting light. [1] In other words, brightness is the perception elicited by the luminance of a visual target. The perception is not linear to luminance, and relies on the context of the viewing environment (for example, see White's illusion).
Clandestine Reporters Working Group - Alexandria, Virginia-based company providing security and intelligence training to journalists and human rights workers. The company specializes in non-digital tradecraft, such as handwritten encryption, counter-surveillance on foot and on public transport, setting up armor and modular vests, and planning ...
Paper brightness is typically measured at 457 nm, well within the fluorescent activity range of brighteners. [5] Paper used for banknotes does not contain optical brighteners, so a common method for detecting counterfeit notes is to check for fluorescence. Optical brighteners have also found use in cosmetics. One application is to formulas for ...
Some settings for use by developers for debugging and power users are located in a "Developer options" sub menu, such as the ability to highlight updating parts of the display, show an overlay with the current status of the touch screen, show touching spots for possible use in screencasting, notify the user of unresponsive background processes ...